Verses with the word behaviour in the New Testament (2 verses):

1 Timothy 3:2
A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;

Titus 2:3
The aged women likewise, that they be in behaviour as becometh holiness, not false accusers, not given to much wine, teachers of good things;